Epic games has announced that Engine source for Xbox One is available to subscribers who are registered developers with Microsoft. For now, deploying projects to Xbox One requires compiling source from GitHub using a Windows computer. Since releasing Unreal Engine 4 to the community last month, Epic was working with Microsoft on a process for opening the engine up to all subscribers seeking to build games for Xbox One. All Unreal Engine subscribers who are registered Xbox developers (including members of the ID@Xbox indie program) can receive access to UE4’s complete source code for their respective console platforms, at no extra cost.
For the past two years, some of the world’s leading console developers have been using UE4 to build their next-generation games. They are doing some amazing things, and we’re very excited to be able to open up the console code and tools far more widely! We’re also grateful to our partners Microsoft and Sony for their efforts in making this release possible.
This first console release is provided in source code form, so it’s for teams which include at least one C++ programmer. In a subsequent version, we’ll add support for binary-only development, so artists and designers can deploy their creations to console without ever compiling the code.
Source: Unreal Engine